Do you remember?

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Across
  1. 4. mathematician from Vietnam
  2. 5. scientist, photographer, guitar player
  3. 7. wears a very long hair
  4. 9. starts with “well…”
  5. 10. Aye University president from Bago
  6. 13. left his job in Cambodia
  7. 14. sang solo in Cultural night
  8. 18. observed Ramadan in Berlin with Iwan
  9. 19. singer of “Pangako Sayo”
  10. 20. Vice-Rector from Surabaya
  11. 21. an engineer from MIT
  12. 24. loves Hermes bags
  13. 25. gentleman from Cambodia
  14. 29. dean of College of Medicine
  15. 30. left her daughter with Freya
Down
  1. 1. University president in Ho Chi Minh
  2. 2. everyone’s HELP button
  3. 3. choreographer of Philippine team
  4. 6. grand lady of Indonesia
  5. 8. University president in Malanday
  6. 11. NMT team leader in Cambodia
  7. 12. “youngest” IDC mentor
  8. 15. same surname as funny man of Vietnam
  9. 16. sounds like “unpredictable changes”
  10. 17. celebrated his birthday on April 20
  11. 18. song bird of Malaysia
  12. 22. Dang funny man of Vietnam
  13. 23. well-known scientist and engineer
  14. 26. IDC and QA mentor
  15. 27. has trouble smiling for the camera
  16. 28. named after the Philippines’ national hero